68715400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 144

約数和(自身を含む): 183805200

約数和(自身を除く): 115089800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 107, 130, 152, 169, 190, 200, 214, 247, 260, 325, 338, 380, 428, 475, 494, 520, 535, 650, 676, 760, 845, 856, 950, 988, 1070, 1235, 1300, 1352, 1391, 1690, 1900, 1976, 2033, 2140, 2470, 2600, 2675, 2782, 3211, 3380, 3800, 4066, 4225, 4280, 4940, 5350, 5564, 6175, 6422, 6760, 6955, 8132, 8450, 9880, 10165, 10700, 11128, 12350, 12844, 13910, 16055, 16264, 16900, 18083, 20330, 21400, 24700, 25688, 26429, 27820, 32110, 33800, 34775, 36166, 40660, 49400, 50825, 52858, 55640, 64220, 69550, 72332, 80275, 81320, 90415, 101650, 105716, 128440, 132145, 139100, 144664, 160550, 180830, 203300, 211432, 264290, 278200, 321100, 343577, 361660, 406600, 452075, 528580, 642200, 660725, 687154, 723320, 904150, 1057160, 1321450, 1374308, 1717885, 1808300, 2642900, 2748616, 3435770, 3616600, 5285800, 6871540, 8589425, 13743080, 17178850, 34357700, 68715400]

約数ペア:

[(1, 68715400), (2, 34357700), (4, 17178850), (5, 13743080), (8, 8589425), (10, 6871540), (13, 5285800), (19, 3616600), (20, 3435770), (25, 2748616), (26, 2642900), (38, 1808300), (40, 1717885), (50, 1374308), (52, 1321450), (65, 1057160), (76, 904150), (95, 723320), (100, 687154), (104, 660725), (107, 642200), (130, 528580), (152, 452075), (169, 406600), (190, 361660), (200, 343577), (214, 321100), (247, 278200), (260, 264290), (325, 211432), (338, 203300), (380, 180830), (428, 160550), (475, 144664), (494, 139100), (520, 132145), (535, 128440), (650, 105716), (676, 101650), (760, 90415), (845, 81320), (856, 80275), (950, 72332), (988, 69550), (1070, 64220), (1235, 55640), (1300, 52858), (1352, 50825), (1391, 49400), (1690, 40660), (1900, 36166), (1976, 34775), (2033, 33800), (2140, 32110), (2470, 27820), (2600, 26429), (2675, 25688), (2782, 24700), (3211, 21400), (3380, 20330), (3800, 18083), (4066, 16900), (4225, 16264), (4280, 16055), (4940, 13910), (5350, 12844), (5564, 12350), (6175, 11128), (6422, 10700), (6760, 10165), (6955, 9880), (8132, 8450)]